PPM of elements, both primary, secondary and macro/trace...

Hum215

Active Member
I've been searching for a while now, in several place I can find the list of primary, secondary, macro/trace elements needed by cannabis.

What I can't seem to find the range of what is required. I was hoping to find something expressed in PPM. At this point, I'd take a total %, like N, P, K is expresses. I would like as complete of a list as possible. I'm hoping to include elements such as: Ca, Mg, Fe, S, Mn, B, Cl, Mo, Co, Zn, Na, Cu, Ni, Si.

I would like to know how much of each is required and how much is too much?

I would love to see a range for each of the elements.

FYI, I'm working with an existing nutrient company that makes custom formulations. I'm wanting to know exactly what to have the concoct for me. I know what to tell them to include, but not how much. I want to make sure I have enough of each element without having so much that I cause a toxicity problem. If I tell them the elements that I need, and in what rations, they will do the rest.

Any input would be great.
 
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